Inconsistent Temperatures

There are at least two things making me uncomfortable in this screenshot from “Caribbean One” TV.

The first disconcerting thing is mathematical in nature.  The top number in each column is the daily high temperature in degrees Celsius; the bottom number is the daily high temperature in degrees Fahrenheit.  Things don’t seem to add up.

The second disconcerting thing is the stuffed parrot, which I think needs no further explanation.

Pendulum Waves

This week’s entry in the “Wow, the Internet is Awesome!” file:

http://www.youtube.com/watch?v=yVkdfJ9PkRQ

These pendula of staggered lengths are set swinging, and the result is fascinating.  At first, the weights seem to trace out sine waves, but they quickly start to cycle through a wide range of behaviors.

At times the pendula appear highly organized, and at times almost chaotic, as they cycle through various patterns.  Amazingly, the weights eventually return to their initial state!

A really beautiful mathematical demonstration.

Uneven Haircuts

Barbers strike me as a practical lot.  Which makes this pricing structure seem especially strange to me.

barber shop

I mean, isn’t a kid going to have less overall hair than an adult?  I understand that an adult head may have less coverage percentage-wise, but the larger head-radius more than makes up for the lower proportion of hair.  I’ve got to believe that the price-per-hair is considerably higher for a child than an adult under this pricing system.

Of course, I would not be so naive as to expect understandable pricing structures from hair stylists.

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